Polaris Virage TX 2000 Service Manual page 97

FUEL SYSTEM/CARBURETION
Carburetor Assembly
4. Install jet block and tighten screw on Keihin carb
securely.
5. Grease low speed mixture screw O-rings. Install
O-rings, washer, spring, and screw(s).
6. Turn screw in until lightly seated and then back it out
the number of turns recorded during disassembly. If
number was not recorded, turn out to the specified
base setting found in beginning of this chapter.
Install limiter cap(s) with tab positioned midway
between the stops.
7. Manually synchronize carburetors. Look down each
carb bore and verify throttle plates are just below
first bypass hole (not on or above). Adjust
accordingly with idle stop screw.
Bypass
Ports
-Idle Port
Correct
Incorrect
Bypass
Ports
-Idle Port
NOTE: These are initial settings from which additional
fine tuning may be necessary.
Do not force screw past lightly seated or screw and/or seat will be damaged. Operation of the craft with mixture
screws improperly adjusted (too lean) may cause serious engine damage. Always read spark plugs under actual
operating conditions after assembly to verify proper mixture.
8. Lubricate and install inlet needle, lever arm, and spring. Tighten screw securely. Inspect lever arm height
outlined on page 3.28 and adjust if necessary.
3/00 3.34
Polaris Sales Inc.